航空发动机叶片叶型无损检测气动试验研究

Research on Aerodynamic Detection of Aero-engine Blade

本文用气动检测法,对航空发动机叶片叶型进行无损检测,对发动机基元叶型生成技术、三维叶片优化设计方法,表面气流参数分布准则及气动性能与型面几何形状匹配,数值模拟方式及叶型研究和分析的方法进行测试,验证了方法的有效性,完善了叶片设计方法,创新了叶片叶型检测的理论与实践。

The paper applies aerodynamic detection method to detect aero-engine nondestructively. In this paper, generating technologyofelementaryblade, optimization design of 3D blade, airflow parameter distribution criteria of blade surface, alignment between aero performance and blade geometry, numerical simulation method and method of blade research and analysis are tested. The paper validates the methods, improves the blade design and innovates the theory and practice of blade profile testing.